.hero {
  background-color: #01324d;
  /* xanh đậm */
  color: #fff;
  text-align: center;
  padding: 70px 15px;
  margin-bottom: 60px;
}

.hero h1 {
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 25px;
}

.hero p {
  font-size: 16px;
  margin: auto;
}

/* ============ Breadcrumb ============ */
.breadcrumb {
  --bs-breadcrumb-divider: ">";
  font-size: 14px;
  padding-left: 20px;
}

.breadcrumb a {
  text-decoration: none;
  color: #6c757d;
}

.breadcrumb .active {
  color: #000;
}

/* Cards Grid */
.cards-container {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding-bottom: 50px;
}

.card {
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  background: white;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid #e2e8f0;
}

.card-content {
  padding: 20px;
}

.card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: #212529;
  font-weight: bold;
}

.card h3:hover {
  color: #f90;
}

.card p {
  color: #64748b;
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 15px;
}

.category {
  display: inline-block;
  background: #e0f2fe;
  color: #0c4a6e;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
  margin: 3px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .cards-container {
    grid-template-columns: 1fr;
  }
}

.metadata-item p {
  font-size: 18px;
  font-weight: 600;
  color: #0f172a;
}

/* Highlight Features List */
.highlight-features-list {
  list-style: none;
  padding: 0;
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px 20px;
}

.highlight-features-list li {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  padding: 10px 15px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #334155;
  font-weight: 500;
}

.highlight-features-list li::before {
  content: '\f00c';
  /* Font Awesome check-mark icon */
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  color: #f90;
  font-size: 14px;
}

/* FAQs Accordion */
.faqs-accordion {
  margin-top: 20px;
}

.faq-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.faq-question {
  padding: 15px 20px;
  margin: 0;
  font-size: 18px;
  color: #0f172a;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #eef1f5;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background-color: #e2e5ea;
}

.faq-question i {
  transition: transform 0.3s ease;
}

.faq-question.active i {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 15px 20px;
  border-top: 1px solid #e2e8f0;
  background: #fdfdfe;
  color: #334155;
  display: none;
  line-height: 1.7;
}

.faq-answer p {
  margin-bottom: 10px;
}

.faq-answer ul {
  padding-left: 20px;
  margin-bottom: 10px;
}

.faq-answer li {
  margin-bottom: 5px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .info-grid {
    grid-template-columns: 1fr;
  }

  .highlight-features-list {
    grid-template-columns: 1fr;
  }
}